Dielectric ceramic composition of BaO, TiO.sub.2,Nd.sub.2 O.sub.

Details Dielectric ceramic composition of BaO, TiO.sub.2,Nd.sub.2 O.sub. Dielectric ceramic composition of BaO, TiO.sub.2,Nd.sub.2 O.sub.

1991-08-15

1993-01-26

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

C04B 3546

Patent

active

051822407

ABSTRACT:
A dielectric ceramic composition is disclosed which consists principally of: barium oxide, titanium oxide, neodymium oxide and samarium oxide as major components which are represented by the following formula xBaO - yTiO.sub.2 - z[(1 - a)Nd.sub.2 O.sub.3 - aSm.sub.2 O.sub.3 ], where 0.10.ltoreq.x.ltoreq.0.20, 0.60.ltoreq.y.ltoreq.0.75, 0.10.ltoreq.z.ltoreq.0.25, x+y+z=1, and 0<a.ltoreq.0.50; and not larger than 2.5 parts by weight of alumina per 100 parts by weight of a total amount of the major components.

REFERENCES:
patent: 4442220 (1984-04-01), Ouchi et al.
patent: 5013695 (1991-05-01), Kato et al.
Chemical Abstracts, vol. 96, Columbus, Ohio, US; abstract No. 154048R, p. 777.
Patent Abstracts of Japan, vol. 13, No. 562 (C-665) Dec. 13, 1989 JP1234358.
Patent Abstracts of Japan, vol. 13, No. 184 (E-751) Apr. 28, 1989 JP1010504.

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